CN216211574U

CN216211574U - Teaching projection equipment convenient to quick angle regulation

Info

Publication number: CN216211574U
Application number: CN202122571192.XU
Authority: CN
Inventors: 杨甜; 张蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the field of teaching projection equipment, in particular to teaching projection equipment convenient for quickly adjusting an angle, which comprises a protective shell, wherein a limiting plate is fixedly connected to the outer side of the protective shell, a sliding plate is inserted into the inner side of the limiting plate, a limiting pin is clamped and connected to the outer side of the sliding plate, the outer side of the limiting pin abuts against the outer side of the limiting plate, and a top cover is fixedly connected to the top end of the sliding plate. The utility model aims to solve the technical problems of insufficient dustproof protection and inconvenient maintenance. In order to solve the technical problem, the utility model provides teaching projection equipment convenient for quickly adjusting the angle, wherein the top clamp and the bottom clamp are connected through a connecting bolt to quickly install a projector body, the position of the sliding plate on a limiting plate is adjusted by adjusting the position of a limiting pin on the sliding plate, the clamping and the expansion of a top cover and a protective cover are realized, and perfect dustproof protection and anti-collision protection are provided for the projector body.

Description

Teaching projection equipment convenient to quick angle regulation

Technical Field

The utility model relates to the field of teaching projection equipment, in particular to teaching projection equipment convenient for quickly adjusting an angle.

Background

Teaching projection equipment is as an image input device, need collocation projection curtain to use, improves user's teaching efficiency.

A prior art patent (publication number: CN209977655U) discloses a projection apparatus for teaching. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. when the device is used, the whole projector is exposed outside and lacks of dustproof protection; 2. when the device is used and the height of the projector is adjusted, the whole structure is complex, the maintenance is inconvenient and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide teaching projection equipment convenient for quickly adjusting angles so as to solve the problems of insufficient dustproof protection and inconvenient maintenance in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a teaching projection equipment convenient to quick angle regulation, includes the protecting crust, the outside fixedly connected with limiting plate of protecting crust, the inboard of limiting plate is pegged graft and is had the slide, the outside joint of slide has the spacer pin, the outside of spacer pin is contradicted in the outside of limiting plate, the top fixedly connected with top cap of slide, the bottom joint of top cap is on the top of protecting crust.

The utility model discloses a projector, including top cap, regulation pole, top of adjusting the top cap, the equal swing joint in front end and the rear end of top cap has the regulation pole, the top fixedly connected with carrying handle of regulation pole, the outside threaded connection of regulation pole has the regulation cap, the bottom of adjusting the cap is contradicted on the top of top cap, the bottom swing joint of regulation pole has the top to press from both sides, the tie-bolt has been cup jointed to the bottom of top clamp, the bottom of tie-bolt cup joints and has the end clamp, the inboard joint in top of end clamp has the projector body, the top joint of projector body is inboard at the bottom of top clamp.

Preferably, the middle part of the limiting plate is provided with a jack, and the outer side of the limiting plate is fixedly connected with a reinforcing plate.

Preferably, the outer side of the sliding plate is provided with a limiting hole, and the number of the sliding plates is two.

Preferably, the outer side of the adjusting rod is provided with a positioning thread, the bottom end of the adjusting rod is fixedly connected with a connecting pin, and the right end of the connecting pin is movably connected to the outer side of the top clamp.

Preferably, the left end and the right end of the top clamp are fixedly connected with connecting seats, and the outer side of the top clamp is fixedly connected with reinforcing ribs.

Preferably, the inner side of the top end of the bottom clamp is fixedly connected with a buffering anti-slip pad, and the left end and the right end of the bottom clamp are both provided with connecting holes.

Compared with the prior art, the utility model has the beneficial effects that:

according to the projector body anti-dust device, the projector body is protected against dust, the top clamp is connected with the bottom clamp through the connecting bolt, the projector body is rapidly installed, the position of the sliding plate on the limiting plate is adjusted by adjusting the position of the limiting pin on the sliding plate, the top cover and the protecting cover are clamped and unfolded, and perfect dust protection and anti-collision protection are provided for the projector body.

According to the projector, the convenient maintenance and the manufacturing cost reduction of the projector body are achieved through the device, the inclination angle of the inner side of the bottom end of the top cover clamped at the top end is changed by changing the position of the adjusting cap at the outer side of the adjusting rod, the projection angle adjustment of the projector body is achieved, the projection height adjustment of the projector body is achieved through the limiting plate, the sliding plate and the limiting plate in an inserted mode, the position of the top cover on the protective shell is maintained to be stable, the overall structure is simple and reasonable, the manufacturing cost of the device is convenient to manufacture and reduce, and the device is convenient for a user to operate, use and maintain.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a left side view of the top cover structure of the present invention;

FIG. 3 is a perspective view of the protective shell structure of the present invention;

fig. 4 is a perspective view of the top cover structure of the present invention.

In the figure: 1. a protective shell; 2. a limiting plate; 3. a slide plate; 4. a spacing pin; 5. a top cover; 6. adjusting a rod; 7. a carrying handle; 8. an adjusting cap; 9. jacking and clamping; 10. a connecting bolt; 11. a bottom clamp; 12. the projector body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a teaching projection equipment convenient to quick adjustment angle, includes protecting crust 1, the outside fixedly connected with limiting plate 2 of protecting crust 1, and the inboard of limiting plate 2 is pegged graft and is had slide 3, and slide 3's outside joint has spacer pin 4, and the outside of spacer pin 4 is contradicted in the outside of limiting plate 2, slide 3's top fixedly connected with top cap 5, and the bottom joint of top cap 5 is on the top of protecting crust 1.

The equal swing joint in front end and the rear end of top cap 5 has regulation pole 6, the top fixedly connected with carrying handle 7 of adjusting pole 6, the outside threaded connection who adjusts pole 6 has regulation cap 8, the bottom of adjusting cap 8 is contradicted on the top of top cap 5, the bottom swing joint who adjusts pole 6 has the top to press from both sides 9, the tie-bolt 10 has been cup jointed to the bottom that the top pressed from both sides 9, the bottom of tie-bolt 10 is cup jointed and is had end clamp 11, the inboard joint in top that the end pressed from both sides 11 has projecting apparatus body 12, the top joint of projecting apparatus body 12 is inboard in the bottom that the top pressed from both sides 9.

In this embodiment, as shown in fig. 1 and 3, the jack has been seted up at the middle part of limiting plate 2, and the outside fixedly connected with reinforcing plate of limiting plate 2 realizes the projection height adjustment of projector body 12 through limiting plate 2, slide 3 and spacer pin 4.

In this embodiment, as shown in fig. 1 and 4, the outer side of the sliding plate 3 is provided with two limiting holes, the number of the sliding plates 3 is two, and the sliding plates 3 are inserted into the limiting plate 2 to maintain the position stability of the top cover 5 on the protective shell 1.

In this embodiment, as shown in fig. 1 and fig. 2, the outside of the adjusting rod 6 is provided with a positioning thread, the bottom end of the adjusting rod 6 is fixedly connected with a connecting pin, the right end of the connecting pin is movably connected to the outside of the top clamp 9, and the inner inclined angle of the top clamp 9 at the bottom end of the top cover 5 is changed by changing the position of the adjusting cap 8 at the outside of the adjusting rod 6.

In this embodiment, as shown in fig. 1, the left end and the right end of the top clip 9 are both fixedly connected with a connecting seat, the outer side of the top clip 9 is fixedly connected with a reinforcing rib, the top clip 9 is connected with the bottom clip 11 through a connecting bolt 10, and the projector body 12 is quickly mounted.

In this embodiment, as shown in fig. 1, the inner side of the top end of the bottom clamp 11 is fixedly connected with a buffering anti-slip pad, the left end and the right end of the bottom clamp 11 are both provided with a connecting hole, and the projector body 12 is clamped by the bottom clamp 11 to complete the quick fixing of the installation position of the projector body 12.

The use method and the advantages of the utility model are as follows: this kind of teaching projection equipment convenient to quick adjustment angle when using, the working process as follows:

as shown in fig. 1 to 4, the connection of the top clamp 9 and the bottom clamp 11 is completed through the connecting bolt 10, the rapid installation of the projector body 12 is completed, the position of the limit pin 4 on the sliding plate 3 is adjusted, the position adjustment of the sliding plate 3 on the limit plate 2 is completed, the clamping and the expansion of the top cover 5 and the protective cover are realized, the perfect dustproof protection and anti-collision protection are provided for the projector body 12, when the device is used by expanding the limit plate 2, the sliding plate 3 and the limit pin 4, the top cover 5 continuously provides the dustproof protection for the projector body 12.

Adjust cap 8 in the outside position of adjusting pole 6 through changing, change the top and press from both sides 9 at the inboard inclination in bottom of top cap 5, accomplish the projection angular adjustment of projecting apparatus body 12, through limiting plate 2, the projection altitude mixture control of projecting apparatus body 12 is realized to slide 3 and spacer pin 4, slide 3 and limiting plate 2's grafting, maintain top cap 5 at the stable position of protecting crust 1, overall structure is simple reasonable, conveniently make and reduce the manufacturing cost of the device, convenience of customers operates and uses and maintains.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a teaching projection equipment convenient to quick adjustment angle, includes protecting crust (1), its characterized in that: the protective shell is characterized in that a limiting plate (2) is fixedly connected to the outer side of the protective shell (1), a sliding plate (3) is inserted into the inner side of the limiting plate (2), a limiting pin (4) is clamped to the outer side of the sliding plate (3), the outer side of the limiting pin (4) abuts against the outer side of the limiting plate (2), a top cover (5) is fixedly connected to the top end of the sliding plate (3), and the bottom end of the top cover (5) is clamped to the top end of the protective shell (1);

the utility model discloses a projector, including top cap (5), regulation pole (6), top fixedly connected with carrying handle (7) of regulation pole (6), the outside threaded connection who adjusts pole (6) has regulation cap (8), the bottom of adjusting cap (8) is contradicted on the top of top cap (5), the bottom swing joint who adjusts pole (6) presss from both sides (9) on the top, tie-bolt (10) have been cup jointed on the bottom that top pressed from both sides (9), the bottom of tie-bolt (10) cup joints end clamp (11), the inboard joint in top that the end pressed from both sides (11) has projector body (12), the top joint of projector body (12) is inboard in the bottom that the top pressed from both sides (9).

2. The teaching projection device of claim 1, wherein the angle of the projection device is adjustable between: the middle part of the limiting plate (2) is provided with an insertion hole, and the outer side of the limiting plate (2) is fixedly connected with a reinforcing plate.

3. The teaching projection device of claim 1, wherein the angle of the projection device is adjustable between: the outer side of the sliding plate (3) is provided with a limiting hole, and the number of the sliding plates (3) is two.

4. The teaching projection device of claim 1, wherein the angle of the projection device is adjustable between: the outer side of the adjusting rod (6) is provided with a positioning thread, the bottom end of the adjusting rod (6) is fixedly connected with a connecting pin, and the right end of the connecting pin is movably connected to the outer side of the top clamp (9).

5. The teaching projection device of claim 1, wherein the angle of the projection device is adjustable between: the left end and the right end of the top clamp (9) are fixedly connected with connecting seats, and reinforcing ribs are fixedly connected to the outer side of the top clamp (9).

6. The teaching projection device of claim 1, wherein the angle of the projection device is adjustable between: the inner side of the top end of the bottom clamp (11) is fixedly connected with a buffering anti-slip pad, and the left end and the right end of the bottom clamp (11) are both provided with connecting holes.